AQSQID: 060371701

Site Name: Pomona

Location: Pomona, CA

Reporting: True, Located: True

Current AQI: 22.0

Pomona CA, US: 34.0667, -117.7506

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 8 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 16, 2019, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 16, 2019, 6 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Jan. 16, 2019, 5 a.m. 6.4 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 16, 2019, 4 a.m. 8.6 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.22 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 3 a.m. 12.2 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.27 ppb (3) N/A N/A 17.0
 
Jan. 16, 2019, 2 a.m. 13.4 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A N/A 15.0
 
Jan. 16, 2019, midnight 19.1 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.31 ppb (3) N/A N/A 18.0
 
Jan. 15, 2019, 11 p.m. 12.6 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Jan. 15, 2019, 10 p.m. 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A N/A 22.0
 
Jan. 15, 2019, 9 p.m. 5.8 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 8 p.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.18 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 7 p.m. 16.8 ppb (16) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.25 ppb (3) N/A N/A 18.0
 
Jan. 15, 2019, 6 p.m. 73.7 ppb (71) 44.9 ppb (42) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) 0.65 ppb (7) N/A N/A 71.0
 
Jan. 15, 2019, 5 p.m. 94.7 ppb (93) 65.3 ppb (62) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 0.86 ppb (10) N/A N/A 93.0
 
Jan. 15, 2019, 4 p.m. 84.3 ppb (82) 58.4 ppb (55) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.96 ppb (11) N/A N/A 82.0
 
Jan. 15, 2019, 3 p.m. 63.6 ppb (60) 39.6 ppb (37) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.81 ppb (9) N/A N/A 60.0
 
Jan. 15, 2019, 2 p.m. 43.7 ppb (40) 21.3 ppb (20) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.52 ppb (6) N/A N/A 40.0
 
Jan. 15, 2019, 1 p.m. 33.1 ppb (31) 10.7 ppb (10) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A N/A 31.0
 
Jan. 15, 2019, noon 32.4 ppb (30) 9.0 ppb (8) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.39 ppb (4) N/A N/A 30.0
 
Jan. 15, 2019, 11 a.m. 28.1 ppb (26) 3.6 ppb (3) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.33 ppb (4) N/A N/A 26.0
 
Jan. 15, 2019, 10 a.m. 24.8 ppb (23) 2.0 ppb (2) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.31 ppb (3) N/A N/A 23.0
 
Jan. 15, 2019, 9 a.m. 13.7 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A N/A 13.0
 
Jan. 15, 2019, 8 a.m. 16.3 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A N/A 15.0
 
Jan. 15, 2019, 7 a.m. 15.0 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.26 ppb (3) N/A N/A 14.0
 
Jan. 15, 2019, 6 a.m. 14.1 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A N/A 13.0
 
Jan. 15, 2019, 5 a.m. 12.8 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.27 ppb (3) N/A N/A 14.0
 
Jan. 15, 2019, 4 a.m. 12.2 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A N/A 15.0
 
Jan. 15, 2019, 3 a.m. 9.4 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A N/A 17.0
 
Jan. 15, 2019, 2 a.m. 11.3 ppb (10) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A N/A 16.0
 
Jan. 15, 2019, 1 a.m. 9.9 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A N/A 18.0
 
Jan. 15, 2019, midnight 10.6 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A N/A 17.0
 
Jan. 14, 2019, 11 p.m. 14.0 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A N/A 16.0
 
Jan. 14, 2019, 10 p.m. 18.2 ppb (17) 3.4 ppb (3) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A N/A 17.0
 
Jan. 14, 2019, 9 p.m. 38.8 ppb (36) 11.1 ppb (10) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) 0.39 ppb (4) N/A N/A 36.0
 
Jan. 14, 2019, 8 p.m. 43.9 ppb (41) 14.2 ppb (13) N/A 30.0 ppb (28) N/A N/A 7.0 ppb (5) 0.41 ppb (5) N/A N/A 41.0
 
Jan. 14, 2019, 7 p.m. 48.1 ppb (45) 16.2 ppb (15) N/A 32.0 ppb (30) N/A N/A 5.0 ppb (4) 0.53 ppb (6) N/A N/A 45.0
 
Jan. 14, 2019, 6 p.m. 46.8 ppb (43) 15.6 ppb (14) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) 0.59 ppb (7) N/A N/A 43.0
 
Jan. 14, 2019, 5 p.m. 40.5 ppb (38) 14.2 ppb (13) N/A 26.0 ppb (24) N/A N/A 10.0 ppb (8) 0.56 ppb (6) N/A N/A 38.0
 
Jan. 14, 2019, 4 p.m. 49.9 ppb (46) 17.4 ppb (16) N/A 33.0 ppb (31) N/A N/A 5.0 ppb (4) 0.59 ppb (7) N/A N/A 46.0
 
Jan. 14, 2019, 3 p.m. 31.4 ppb (29) 3.7 ppb (3) N/A 28.0 ppb (26) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A N/A 29.0
 
Jan. 14, 2019, 2 p.m. 43.6 ppb (40) 11.3 ppb (10) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.41 ppb (5) N/A N/A 40.0
 
Jan. 14, 2019, 1 p.m. 53.6 ppb (50) 21.4 ppb (20) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.48 ppb (5) N/A N/A 50.0
 
Jan. 14, 2019, noon 24.9 ppb (23) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.33 ppb (4) N/A N/A 23.0
 
Jan. 14, 2019, 11 a.m. 16.5 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A N/A 15.0
 
Jan. 14, 2019, 10 a.m. 10.3 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A N/A 16.0
 
Jan. 14, 2019, 9 a.m. 14.1 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.29 ppb (3) N/A N/A 13.0
 
Jan. 14, 2019, 8 a.m. 12.8 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.28 ppb (3) N/A N/A 14.0
 
Jan. 14, 2019, 7 a.m. 22.4 ppb (21) 1.4 ppb (1) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.37 ppb (4) N/A N/A 21.0
 
Jan. 14, 2019, 6 a.m. 30.8 ppb (29) 3.0 ppb (3) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.49 ppb (5) N/A N/A 29.0
 
Jan. 14, 2019, 5 a.m. 37.4 ppb (35) 6.8 ppb (6) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.63 ppb (7) N/A N/A 35.0
 
Jan. 14, 2019, 4 a.m. 23.3 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.46 ppb (5) N/A N/A 22.0
 
Jan. 14, 2019, 3 a.m. 17.5 ppb (16) 1.2 ppb (1) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) 0.4 ppb (4) N/A N/A 16.0
 
Jan. 14, 2019, 2 a.m. 22.8 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 11.0 ppb (8) 0.46 ppb (5) N/A N/A 21.0
 
Jan. 14, 2019, 1 a.m. 22.2 ppb (21) 4.1 ppb (4) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (14) 0.43 ppb (5) N/A N/A 21.0
 
Jan. 14, 2019, midnight 12.0 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A N/A 19.0
 
Jan. 13, 2019, 11 p.m. 10.5 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.28 ppb (3) N/A N/A 21.0
 
Jan. 13, 2019, 10 p.m. 12.9 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A N/A 21.0
 
Jan. 13, 2019, 9 p.m. 14.2 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A N/A 19.0
 
Jan. 13, 2019, 8 p.m. 10.7 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A N/A 21.0
 
Jan. 13, 2019, 7 p.m. 15.2 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A N/A 18.0
 
Jan. 13, 2019, 6 p.m. 25.2 ppb (23) 10.2 ppb (9) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) 0.42 ppb (5) N/A N/A 23.0
 
Jan. 13, 2019, 5 p.m. 33.7 ppb (31) 15.8 ppb (15) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.46 ppb (5) N/A N/A 31.0
 
Jan. 13, 2019, 4 p.m. 57.0 ppb (53) 34.2 ppb (32) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.73 ppb (8) N/A N/A 53.0
 
Jan. 13, 2019, 5 a.m. 39.7 ppb (37) 15.9 ppb (15) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.81 ppb (9) N/A N/A 37.0
 
Jan. 13, 2019, 4 a.m. 39.4 ppb (36) 17.0 ppb (16) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.8 ppb (9) N/A N/A 36.0
 
Jan. 13, 2019, 3 a.m. 32.9 ppb (30) 9.0 ppb (8) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 0.67 ppb (7) N/A N/A 30.0
 
Jan. 13, 2019, 2 a.m. 30.3 ppb (28) 5.4 ppb (5) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) 0.61 ppb (7) N/A N/A 28.0
 
Jan. 13, 2019, 1 a.m. 19.4 ppb (18) 1.4 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.43 ppb (5) N/A N/A 18.0
 
Jan. 13, 2019, midnight 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.23 ppb (3) N/A N/A 24.0
 
Jan. 12, 2019, 11 p.m. 6.1 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A N/A 26.0
 
Jan. 12, 2019, 10 p.m. 6.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 9 p.m. 8.2 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A N/A 21.0
 
Jan. 12, 2019, 8 p.m. 13.0 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A N/A 15.0
 
Jan. 12, 2019, 7 p.m. 14.2 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.29 ppb (3) N/A N/A 17.0
 
Jan. 12, 2019, 6 p.m. 20.4 ppb (19) 6.4 ppb (6) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A N/A 19.0
 
Jan. 12, 2019, 5 p.m. 23.7 ppb (22) 6.5 ppb (6) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.35 ppb (4) N/A N/A 22.0
 
Jan. 12, 2019, 4 p.m. 22.3 ppb (21) 5.5 ppb (5) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.32 ppb (4) N/A N/A 21.0
 
Jan. 12, 2019, 3 p.m. 19.1 ppb (18) 1.8 ppb (2) N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.29 ppb (3) N/A N/A 18.0
 
Jan. 12, 2019, 2 p.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A N/A 17.0
 
Jan. 12, 2019, 1 p.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, noon 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, 11 a.m. 28.1 ppb (26) 3.9 ppb (4) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) 0.48 ppb (5) N/A N/A 26.0
 
Jan. 12, 2019, 10 a.m. 38.7 ppb (36) 9.6 ppb (9) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.63 ppb (7) N/A N/A 36.0
 
Jan. 12, 2019, 9 a.m. 35.7 ppb (33) 11.2 ppb (10) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.62 ppb (7) N/A N/A 33.0
 
Jan. 12, 2019, 8 a.m. 47.3 ppb (44) 20.8 ppb (19) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.73 ppb (8) N/A N/A 44.0
 
Jan. 12, 2019, 7 a.m. 52.1 ppb (48) 22.3 ppb (21) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.76 ppb (8) N/A N/A 48.0
 
Jan. 12, 2019, 6 a.m. 45.7 ppb (42) 15.3 ppb (14) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.74 ppb (8) N/A N/A 42.0
 
Jan. 12, 2019, 5 a.m. 37.2 ppb (34) 7.2 ppb (7) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.63 ppb (7) N/A N/A 34.0
 
Jan. 12, 2019, 4 a.m. 42.0 ppb (39) 10.4 ppb (10) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 0.73 ppb (8) N/A N/A 39.0
 
Jan. 12, 2019, 3 a.m. 42.0 ppb (39) 10.0 ppb (9) N/A 32.0 ppb (30) N/A N/A 5.0 ppb (4) 0.67 ppb (7) N/A N/A 39.0
 
Jan. 12, 2019, 2 a.m. 27.2 ppb (25) 4.3 ppb (4) N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) 0.52 ppb (6) N/A N/A 25.0
 
Jan. 12, 2019, 1 a.m. 33.1 ppb (31) 5.1 ppb (5) N/A 28.0 ppb (26) N/A N/A 15.0 ppb (12) 0.51 ppb (6) N/A N/A 31.0
 
Jan. 12, 2019, midnight 48.1 ppb (45) 10.6 ppb (10) N/A 37.0 ppb (34) N/A N/A 10.0 ppb (8) 0.57 ppb (6) N/A N/A 45.0
 
Jan. 11, 2019, 11 p.m. 38.7 ppb (36) 12.1 ppb (11) N/A 27.0 ppb (25) N/A N/A 15.0 ppb (12) 0.46 ppb (5) N/A N/A 36.0
 
Jan. 11, 2019, 10 p.m. 57.3 ppb (54) 24.0 ppb (22) N/A 33.0 ppb (31) N/A N/A 10.0 ppb (8) 0.56 ppb (6) N/A N/A 54.0
 
Jan. 11, 2019, 9 p.m. 54.7 ppb (51) 23.7 ppb (22) N/A 31.0 ppb (29) N/A N/A 12.0 ppb (9) 0.5 ppb (6) N/A N/A 51.0
 
Jan. 11, 2019, 8 p.m. 54.7 ppb (51) 25.4 ppb (24) N/A 29.0 ppb (27) N/A N/A 11.0 ppb (8) 0.53 ppb (6) N/A N/A 51.0
 
Jan. 11, 2019, 7 p.m. 71.4 ppb (69) 40.3 ppb (37) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) 0.69 ppb (8) N/A N/A 69.0
 
Jan. 11, 2019, 6 p.m. 101.2 ppb (100) 67.4 ppb (64) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) 0.85 ppb (9) N/A N/A 100.0
 
Jan. 11, 2019, 5 p.m. 89.3 ppb (88) 59.3 ppb (56) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.76 ppb (8) N/A N/A 88.0
 
Jan. 11, 2019, 4 p.m. 89.7 ppb (88) 59.8 ppb (56) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.74 ppb (8) N/A N/A 88.0
 
Jan. 11, 2019, 3 p.m. 89.9 ppb (88) 59.0 ppb (55) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.74 ppb (8) N/A N/A 88.0
 
Jan. 11, 2019, 2 p.m. 73.7 ppb (71) 43.4 ppb (40) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.67 ppb (7) N/A N/A 71.0
 
Jan. 11, 2019, 1 p.m. 59.8 ppb (56) 29.1 ppb (27) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.59 ppb (7) N/A N/A 56.0
 
Jan. 11, 2019, noon 56.9 ppb (53) 25.5 ppb (24) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.56 ppb (6) N/A N/A 53.0
 
Jan. 11, 2019, 11 a.m. 51.3 ppb (48) 20.3 ppb (19) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A N/A 48.0
 
Jan. 11, 2019, 10 a.m. 47.0 ppb (44) 17.7 ppb (16) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.54 ppb (6) N/A N/A 44.0
 
Jan. 11, 2019, 9 a.m. 58.1 ppb (54) 31.7 ppb (29) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.67 ppb (7) N/A N/A 54.0
 
Jan. 11, 2019, 8 a.m. 64.2 ppb (61) 40.4 ppb (37) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.75 ppb (8) N/A N/A 61.0
 
Jan. 11, 2019, 7 a.m. 63.1 ppb (60) 40.6 ppb (38) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.83 ppb (9) N/A N/A 60.0
 
Jan. 11, 2019, 6 a.m. 52.6 ppb (49) 26.6 ppb (25) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.7 ppb (8) N/A N/A 49.0
 
Jan. 11, 2019, 5 a.m. 57.4 ppb (54) 26.1 ppb (24) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.68 ppb (8) N/A N/A 54.0
 
Jan. 11, 2019, 4 a.m. 43.4 ppb (40) 11.5 ppb (11) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.54 ppb (6) N/A N/A 40.0
 
Jan. 11, 2019, 3 a.m. 45.7 ppb (42) 10.8 ppb (10) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.51 ppb (6) N/A N/A 42.0
 
Jan. 11, 2019, 2 a.m. 39.6 ppb (37) 6.0 ppb (6) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) 0.45 ppb (5) N/A N/A 37.0
 
Jan. 11, 2019, 1 a.m. 48.5 ppb (45) 9.2 ppb (9) N/A 39.0 ppb (36) N/A N/A 5.0 ppb (4) 0.59 ppb (7) N/A N/A 45.0
 
Jan. 11, 2019, midnight 39.5 ppb (37) 6.5 ppb (6) N/A 33.0 ppb (31) N/A N/A 14.0 ppb (11) 0.51 ppb (6) N/A N/A 37.0
 
Jan. 10, 2019, 11 p.m. 28.8 ppb (27) 6.0 ppb (6) N/A 23.0 ppb (21) N/A N/A 23.0 ppb (18) 0.39 ppb (4) N/A N/A 27.0
 
Jan. 10, 2019, 10 p.m. 19.2 ppb (18) 4.7 ppb (4) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A N/A 22.0
 
Jan. 10, 2019, 9 p.m. 19.7 ppb (18) 5.8 ppb (5) N/A 14.0 ppb (13) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A N/A 21.0
 
Jan. 10, 2019, 8 p.m. 30.2 ppb (28) 10.9 ppb (10) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) 0.43 ppb (5) N/A N/A 28.0
 
Jan. 10, 2019, 7 p.m. 44.4 ppb (41) 19.3 ppb (18) N/A 25.0 ppb (23) N/A N/A 17.0 ppb (13) 0.52 ppb (6) N/A N/A 41.0
 
Jan. 10, 2019, 6 p.m. 71.7 ppb (69) 39.4 ppb (36) N/A 32.0 ppb (30) N/A N/A 10.0 ppb (8) 0.69 ppb (8) N/A N/A 69.0
 
Jan. 10, 2019, 5 p.m. 80.5 ppb (78) 47.9 ppb (44) N/A 33.0 ppb (31) N/A N/A 7.0 ppb (5) 0.72 ppb (8) N/A N/A 78.0
 
Jan. 10, 2019, 4 p.m. 59.7 ppb (56) 33.0 ppb (31) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.66 ppb (7) N/A N/A 56.0
 
Jan. 10, 2019, 3 p.m. 47.8 ppb (44) 23.4 ppb (22) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 0.6 ppb (7) N/A N/A 44.0
 
Jan. 10, 2019, 2 p.m. 91.1 ppb (89) 65.4 ppb (62) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.95 ppb (11) N/A N/A 89.0
 
Jan. 10, 2019, 1 p.m. 86.6 ppb (85) 60.9 ppb (57) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.86 ppb (10) N/A N/A 85.0
 
Jan. 10, 2019, noon 72.7 ppb (70) 46.7 ppb (43) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A N/A 70.0
 
Jan. 10, 2019, 11 a.m. 61.1 ppb (58) 36.9 ppb (34) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.57 ppb (6) N/A N/A 58.0
 
Jan. 10, 2019, 10 a.m. 57.6 ppb (54) 33.1 ppb (31) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.65 ppb (7) N/A N/A 54.0
 
Jan. 10, 2019, 9 a.m. 46.4 ppb (43) 18.0 ppb (17) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) 0.57 ppb (6) N/A N/A 43.0
 
Jan. 10, 2019, 8 a.m. 56.7 ppb (53) 26.9 ppb (25) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A N/A 53.0
 
Jan. 10, 2019, 7 a.m. 63.1 ppb (60) 28.1 ppb (26) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.73 ppb (8) N/A N/A 60.0
 
Jan. 10, 2019, 6 a.m. 69.2 ppb (66) 32.8 ppb (30) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.86 ppb (10) N/A N/A 66.0
 
Jan. 10, 2019, 5 a.m. 51.2 ppb (47) 14.4 ppb (13) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A N/A 47.0
 
Jan. 10, 2019, 4 a.m. 49.6 ppb (46) 14.1 ppb (13) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.68 ppb (8) N/A N/A 46.0
 
Jan. 10, 2019, 3 a.m. 40.5 ppb (38) 6.0 ppb (6) N/A 34.0 ppb (31) N/A N/A 7.0 ppb (5) 0.54 ppb (6) N/A N/A 38.0
 
Jan. 10, 2019, 2 a.m. 30.3 ppb (28) 4.6 ppb (4) N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) 0.47 ppb (5) N/A N/A 28.0
 
Jan. 10, 2019, 1 a.m. 30.6 ppb (28) 2.8 ppb (3) N/A 28.0 ppb (26) N/A N/A 18.0 ppb (14) 0.47 ppb (5) N/A N/A 28.0
 
Jan. 10, 2019, midnight 45.0 ppb (42) 5.8 ppb (5) N/A 39.0 ppb (36) N/A N/A 14.0 ppb (11) 0.59 ppb (7) N/A N/A 42.0
 
Jan. 9, 2019, 11 p.m. 30.1 ppb (28) 6.2 ppb (6) N/A 24.0 ppb (22) N/A N/A 24.0 ppb (18) 0.43 ppb (5) N/A N/A 28.0
 
Jan. 9, 2019, 10 p.m. 27.5 ppb (25) 6.8 ppb (6) N/A 21.0 ppb (19) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A N/A 25.0
 
Jan. 9, 2019, 9 p.m. 23.3 ppb (22) 7.3 ppb (7) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.28 ppb (3) N/A N/A 22.0
 
Jan. 9, 2019, 8 p.m. 37.7 ppb (35) 14.8 ppb (14) N/A 23.0 ppb (21) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A N/A 35.0
 
Jan. 9, 2019, 7 p.m. 59.8 ppb (56) 29.6 ppb (27) N/A 30.0 ppb (28) N/A N/A 13.0 ppb (10) 0.56 ppb (6) N/A N/A 56.0
 
Jan. 9, 2019, 6 p.m. 47.4 ppb (44) 22.7 ppb (21) N/A 25.0 ppb (23) N/A N/A 13.0 ppb (10) 0.47 ppb (5) N/A N/A 44.0
 
Jan. 9, 2019, 5 p.m. 57.8 ppb (54) 30.8 ppb (29) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) 0.54 ppb (6) N/A N/A 54.0
 
Jan. 9, 2019, 4 p.m. 95.1 ppb (94) 63.6 ppb (60) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.77 ppb (9) N/A N/A 94.0
 
Jan. 9, 2019, 3 p.m. 128.8 ppb (105) 99.3 ppb (98) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 1.11 ppb (12) N/A N/A 105.0
 
Jan. 9, 2019, 2 p.m. 100.2 ppb (99) 75.0 ppb (72) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.89 ppb (10) N/A N/A 99.0
 
Jan. 9, 2019, 1 p.m. 77.4 ppb (75) 54.4 ppb (50) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.69 ppb (8) N/A N/A 75.0
 
Jan. 9, 2019, noon 60.1 ppb (56) 38.0 ppb (35) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.55 ppb (6) N/A N/A 56.0
 
Jan. 9, 2019, 11 a.m. 39.8 ppb (37) 19.1 ppb (18) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.39 ppb (4) N/A N/A 37.0
 
Jan. 9, 2019, 10 a.m. 39.4 ppb (36) 16.9 ppb (16) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.38 ppb (4) N/A N/A 36.0
 
Jan. 9, 2019, 9 a.m. 40.3 ppb (37) 16.4 ppb (15) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.46 ppb (5) N/A N/A 37.0
 
Jan. 9, 2019, 8 a.m. 34.0 ppb (31) 12.0 ppb (11) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.44 ppb (5) N/A N/A 31.0
 
Jan. 9, 2019, 7 a.m. 41.6 ppb (39) 15.2 ppb (14) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.52 ppb (6) N/A N/A 39.0
 
Jan. 9, 2019, 6 a.m. 61.9 ppb (58) 33.2 ppb (31) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.69 ppb (8) N/A N/A 58.0
 
Jan. 9, 2019, 5 a.m. 64.1 ppb (61) 31.5 ppb (29) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.75 ppb (8) N/A N/A 61.0
 
Jan. 9, 2019, 4 a.m. 50.5 ppb (47) 14.3 ppb (13) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.61 ppb (7) N/A N/A 47.0
 
Jan. 9, 2019, 3 a.m. 59.9 ppb (56) 24.0 ppb (22) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.68 ppb (8) N/A N/A 56.0
 
Jan. 9, 2019, 2 a.m. 56.9 ppb (53) 18.7 ppb (17) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.72 ppb (8) N/A N/A 53.0
 
Jan. 9, 2019, 1 a.m. 31.9 ppb (30) 5.4 ppb (5) N/A 27.0 ppb (25) N/A N/A 14.0 ppb (11) 0.46 ppb (5) N/A N/A 30.0
 
Jan. 9, 2019, midnight 23.6 ppb (22) 4.3 ppb (4) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.33 ppb (4) N/A N/A 22.0
 
Jan. 8, 2019, 11 p.m. 14.6 ppb (14) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.26 ppb (3) N/A N/A 22.0
 
Jan. 8, 2019, 10 p.m. 11.5 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0